1. 16 PF a self-report personality inventory developed by Raymond B. Cattell to measure the 16 personality dimensions that emerged from his factor analysis of a wide range of traits
  2. 365 days a year that is not a leap year
  3. 366 days in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400
  4. AND gate a circuit in a computer that fires only when all of its inputs fire
  5. 1st class mail that includes letters and postcards and packages sealed against inspection
  6. 440 yards a unit of length equal to a quarter of 1 mile
  7. 880 yards a unit of length equal to half of 1 mile
  8. ABO group a classification system for the antigens of human blood
  9. 401-k plan a retirement savings plan that is funded by employee contributions and (often) matching contributions from the employer; contributions are made from your salary before taxes and the funds grow tax-free until they are withdrawn, at which point they can be converted into an IRA; funds can be transferred if you change employers and you can (to some extent) manage the investments yourself
  10. 8 May 1945 the date of Allied victory in Europe, World War II
  11. Aare River a river in north central Switzerland that runs northeast into the Rhine
  12. Aaron Burr United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
  13. Abies alba tall timber tree of central and southern Europe having a regular crown and grey bark
  14. ABO system a classification system for the antigens of human blood
  15. ADP system a system of one or more computers and associated software with common storage
  16. .22 caliber of or relating to the bore of a gun (or its ammunition) that measures twenty-two hundredths of an inch in diameter
  17. .22 calibre of or relating to the bore of a gun (or its ammunition) that measures twenty-two hundredths of an inch in diameter
  18. .38 caliber of or relating to the bore of a gun (or its ammunition) that measures thirty-eight hundredths of an inch in diameter
  19. .38 calibre of or relating to the bore of a gun (or its ammunition) that measures thirty-eight hundredths of an inch in diameter
  20. .45 caliber of or relating to the bore of a gun (or its ammunition) that measures forty-five hundredths of an inch in diameter

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